initial commit

index.ts

@@ -0,0 +1,39 @@
+import express from 'express';
+import path from 'path';
+import { readdir } from 'node:fs/promises';
+
+import { config } from './config';
+
+const app = express();
+
+async function loadPages(): Promise<void> {
+  try {
+    const pagesPath = path.join(__dirname, './pages');
+    const pagesFiles = path.basename(__filename).endsWith('.ts')
+  	                 ? (await readdir(pagesPath)).filter(file => file.endsWith('.ts'))
+  									 : (await readdir(pagesPath)).filter(file => file.endsWith('.js'));
+    for (const file of pagesFiles) {
+      const filePath = path.join(pagesPath, file);
+      const data = await import(filePath);
+      if (data.page !== undefined)
+        app.get(data.page.path, data.page.handleRequest);
+      else
+        console.error(`The page at ${filePath} is missing required properties.`);
+    }
+  } catch(err: unknown) { throw err; }
+}
+
+async function init() {
+  try {
+    await loadPages();
+    app.listen(config.port, () => {
+      console.log(`api server up, listen on ${config.port}`);
+    });
+  } catch(err: unknown) { throw err; }
+}
+
+try { init(); } catch(err: unknown) {
+  if (err instanceof Error)
+    console.error(`Error, ${err.message}`);
+  console.error(`Error, ${String(err)}`);
+}